Home / 718,398.92-1,078,818.61-480,044.29

Finding the Fourth Proportional to 718,398.92, 1,078,818.61 and 480,044.29

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Solution

The fourth proportional to 718,398.92, 1,078,818.61 and 480,044.29 is: 720,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,398.92 : 1,078,818.61 = 480,044.29 : x
  2. Step 2: Convert to fraction form
    718,398.92/1,078,818.61 = 480,044.29/x
  3. Step 3: Cross multiply
    718,398.92x = 1,078,818.61 × 480,044.29
  4. Step 4: Simplify right side
    718,398.92x = 517,880,709,779.08
  5. Step 5: Solve for x
    x = 517,880,709,779.08/718,398.92
  6. Step 6: Final answer
    x = 720,881.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.